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Subject: Re: Rockbox on an ESP32?

Re: Rockbox on an ESP32?

From: David Mehler via rockbox <>
Date: Thu, 11 May 2023 23:55:36 -0400


I might be interested in giving this a go, see what I can do. If
anyone wants to help/provide input I'd appreciate it.


On 4/6/23, Solomon Peachy <> wrote:
> On Sat, Apr 01, 2023 at 08:17:51AM -0400, David Mehler wrote:
>> Solomon, from what your saying it definitely sounds like a lot of
>> effort for a gasping player if the ESP32 was chosen, which is well
>> over-my-head now, and I wouldn't want something gasping.
> This is a really cool board I found:
> It's intended for use in musical instruments / effects processors, and
> is a completely open design, with full schematics and all source code
> available on github.
> It has an STM32H7 (single core Cortex-M7 _at_ 480MHz), 64MB off-chip DRAM,
> 8MB off-chip QSPI flash, and an WM8731 audio codec (24bit _at_ 96KHz) with
> line in & out brought to a header.
> It lacks a SD card slot, display, audio jacks, buttons, and any sort of
> battery/power management (It can run on 4-17V though). The codec
> includes a headphone amp but those pins aren't connected.
> There's plenty of available I/O left for buttons and hooking up a
> display.
> As well as the off-chip ram & flash, the processor likely has >512K of
> fast onboard SRAM and >1MB flash. So this thing has plenty of oomph and
> is easily capable of running fully-featured, no-compromise Rockbox, and
> at $30 in single-unit quantities is pretty cheap for what it is.
> Anyone interested in a cool HW project? :D
> - Solomon
> --
> Solomon Peachy pizza at shaftnet dot org (email&xmpp)
> _at_pizza:shaftnet dot org (matrix)
> Dowling Park, FL speachy (
Received on 2023-05-11

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